Home / 133,300.38-182,975.36-117,854.70

Finding the Fourth Proportional to 133,300.38, 182,975.36 and 117,854.70

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Solution

The fourth proportional to 133,300.38, 182,975.36 and 117,854.70 is: 161,773.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,300.38 : 182,975.36 = 117,854.70 : x
  2. Step 2: Convert to fraction form
    133,300.38/182,975.36 = 117,854.70/x
  3. Step 3: Cross multiply
    133,300.38x = 182,975.36 × 117,854.70
  4. Step 4: Simplify right side
    133,300.38x = 21,564,504,884.76
  5. Step 5: Solve for x
    x = 21,564,504,884.76/133,300.38
  6. Step 6: Final answer
    x = 161,773.76

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.